CHAPTER 5 MEMORY ACCESS CONTROL FUNCTION
135
User’s Manual U14492EJ3V0UD
Figure 5-1. SRAM, External ROM, External I/O Access Timing (3/5)
(c) On a write (1 wait insertion)
T1
T2
TW
T3
Address
Data
Note
H
CLKOUT (Output)
A16 to A23 (Output)
AD0 to AD15 (I/O)
ASTB (Output)
RD (Output)
UWR, LWR (Output)
CSn (Output)
WAIT (Input)
Address
Note
AD0 to AD7 output invalid data when accessed to odd-numbered address byte data.
AD8 to AD15 output invalid data when accessed to even-numbered address byte data.
Remarks 1.
The circles indicate the sampling timing.
2.
Broken lines indicate high impedance.
3.
n = 0 to 7
Содержание V850E/IA1 mPD703116
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